The Uchiha family's chakra was vastly different from that cultivated by ordinary ninja.
Even an ordinary Two-Tomoe Sharingan, once awakened into a Mangekyō Sharingan, would instantly gain immense chakra reserves. Obito in the original story was proof enough of that.
A complete dead last, after suffering a devastating mental blow, underwent a qualitative transformation and had ultimately been able to fight the Fourth Hokage!
"Yes, Mr. Yuu!"
The moment he heard that he could go to the battlefield, with Uchiha Yuu personally serving as his instructor, all the exhaustion from his training vanished. He now only wanted to desperately uncover his talent and rapidly improve his strength!
While Uchiha Yuu had been busy, the front lines had not been idle. Ōnoki had been injured in their previous clash, but two weeks had allowed his wounds to recover considerably.
Hatake Sakumo led his troops back to the border of the Land of Fire to prevent the enemy's invasion, but Ōnoki's offensive was far fiercer than the Third Raikage's!
Kumogakure had been extremely arrogant in its battle against Konoha. They had split their forces in two and still dared to launch an attack. Even if they were a bunch of brainless brutes, their advance was bound to slow, leaving time to react.
But when facing Iwagakure, the enemy had been biding its time. There had barely been any large-scale battles, much less widespread losses!
As a result, the scale and intensity of their assault far exceeded the pressure on Orochimaru's front.
This meant that ninja who had just withdrawn from the battlefield had to be sent elsewhere to prevent the enemy's invasion.
This time, in order to deal with Iwagakure, Konoha deployed a full third of its ninja forces, including ninja from all the major clans. The number of ninja left behind